High-intensity interval training, aka HIIT, is one of the best ways to maximize your workout time. Burn a ton of calories and boost your metabolism in little time with celeb trainer Astrid McGuire's full-body HIIT workout. It may be only 10 minutes long,
Get ready to take your workout to the next level with Jessica Alba's CrossFit trainer, Yumi Lee. This workout is excuse-proof: you don't need any equipment, and it's only 10 minutes long, but it will definitely get your heart pumping.
Tighten and tone your backside with this workout from Anna Kaiser of AKT in Motion. She trains Kelly Ripa and Sarah Jessica Parker, and once you press play she will train you too! Although the focus of this workout is on the glutes, you will be